Support PHP 8.5

library/Pdfexport/HeadlessChrome.php

@@ -18,7 +18,6 @@
 use React\Promise\ExtendedPromiseInterface;
 use Throwable;
 use WebSocket\Client;
-use WebSocket\ConnectionException;
 
 class HeadlessChrome
 {
@@ -191,7 +190,7 @@
 
         foreach ($arguments as $name => $value) {
             if ($value !== null) {
                 $value = escapeshellarg($value);
 
                 if (! is_int($name)) {
                     if (substr($name, -1) === '=') {
@@ -254,9 +253,9 @@
             switch (true) {
                 case $this->remote !== null:
                     try {
                         $result = $this->jsonVersion($this->remote[0], $this->remote[1]);
                         if (is_array($result)) {
                             $parts = explode('/', $result['webSocketDebuggerUrl']);
                             $pdf = $this->printToPDF(
                                 join(':', $this->remote),
                                 end($parts),
@@ -330,10 +329,10 @@
 
                     $chrome->start();
 
                     $chrome->stderr->on('data', function ($chunk) use ($chrome, $deferred, $killer) {
                         Logger::debug('Caught browser output: %s', $chunk);
 
                         if (preg_match(self::DEBUG_ADDR_PATTERN, trim($chunk), $matches)) {
                             Loop::cancelTimer($killer);
 
                             try {
@@ -386,7 +385,7 @@
             }
         });
 
         return $deferred->promise();
     }
 
     /**
@@ -429,7 +428,7 @@
 
     private function printToPDF($socket, $browserId, array $parameters)
     {
         $browser = new Client(sprintf('ws://%s/devtools/browser/%s', $socket, $browserId));
 
         // Open new tab, get its id
         $result = $this->communicate($browser, 'Target.createTarget', [
@@ -535,7 +534,7 @@
 
         try {
             $browser->close();
-        } catch (ConnectionException $e) {
+        } catch (Throwable $e) {
             // For some reason, the browser doesn't send a response
             Logger::debug(sprintf('Failed to close browser connection: ' . $e->getMessage()));
         }
@@ -637,7 +636,7 @@
         return $response['result'];
     }
 
-    private function waitFor(Client $ws, $eventName, array $expectedParams = null)
+    private function waitFor(Client $ws, $eventName, ?array $expectedParams = null)
     {
         if ($eventName !== self::WAIT_FOR_NETWORK) {
             Logger::debug(